MBC‘s new K-Drama, When The Phone Rings, adapted from Geoneomulnyeo‘s Webtoon, has viewers on the edge of their seats. It stars Yoo Yeon Seok and Chae Soo Bin. Paik Sa-Eon (Yoo Yeon-Seok) comes from a prestigious political family and he became the youngest presidential spokesman in Korea. His background also includes time spent as a…